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DISC: Re: Tri-electrode Bosch spark plugs

 > Over the years, I've been lead to believe that the tri-electrode Bosch plugs
 > used by Audi are NOT available as replacements ... is this wrong?  

Mostly. But at one time (about 3 years ago), Bosch couldn't keep up with
production and caused a world-wide shortage of these plugs.

 >  Are these available through normal aftermarket channels?

The W7DTC plugs are available. I'd bought them from IPC, but also seen 
them sold elsewhere. They run about $3.25 ea, maybe less in a set.

 >                 /| |_| |> | - |> |_| |> |  (AudiDudi@delphi.com) 
 >                __________________________________________________
 >                aka Jeff Goggin                     Scottsdale, AZ

-- Eddi